you may have a point, i.e. some mechanism to invoke a behavior that only a bot or LLM could do, that a human would not, e.g. click on this button now in a hidden div/transparent color or measure response time within page load.

the problem is that once this is found out, the circumvention is easy enough to program into bots/LLMS.

are we going to reinvent the voight-kampff test from bladerunner?!?